BenQ Q7C3 User Manual

Q7C3 LCD Monitor Service Guide
Engineering Specification
15
4. Response time
TrR measures the transition time of L1 relative luminance from white to black state, from 90% to 10% (see graph below)
TrD measures the transition time of L1 relative luminance from black to white state, from 10% to 90% (see graph below)
5. Cross talk shall be measured between two patterns.
FULL WHITE
184 gray level
0 gray level
1/2 1/6 2/3 1/61/2 1/3
1/6
1/3
1/2
2/3
A A'
B
B'
184 gray level
l L
A
-L
A’
l / L
A
x 100%= 1.2% max., L
A
and L
B
are brightness at location A and B
l L
B
-L
B’
l / L
B
x 100%= 1.2% max., L
A’
and L
B’
are brightness at location A’ and B’
LA：Luminance of measured point in A (cd/m2)
LB：Luminance of measured point in B (cd/m2)
LA’：Luminance of measured point in A’ (cd/m2)
LB’：Luminance of measured point in B’ (cd/m2)
(at Viewing Angle
o
0φ0
θ
o
== , )
6. Brightness Uniformity of these 9 points is defined as below:
5
1
10%
90%
50%
90%
10%
50%
2
4
3
6
7
8
9
100%
90%
TrR TrD
WHITE
BLACK
10%
0%
t
WHITE

BenQ Q7C3 Specifications

General

Brand	BenQ
Model	Q7C3
Category	Monitor
Language	English